Big Arm
Montana State Park
Big Arm entrance fee
Day use entrance fee with a vehicle: $8 Day use entrance fee as a walk-in, bicycle or bus passenger: $4 Campsite fees range from $4-$34 per night, depending on season and available amenities.
Big Arm hours
Day use area open year-round
Hours as published by Montana FWP. Check the official page before a long drive.
About Big Arm
Flathead Lake's western shore, looking across to Wild Horse Island with the Mission and Swan ranges behind. Forty-one campsites, three yurts and an archery range, fifteen miles north of Polson.
Things to do
- 🥾 Hiking
- 🛶 Paddling
- 🏊 Swimming
- 🎣 Fishing
- ⛵ Boating
- 🐦 Birding
Amenities & facilities
- 🏕️ Campsites
- 🚿 Showers
- 🚻 Restrooms
- 🛖 Cabins
- ⛺ Screened Shelters
- 👥 Group Sites
- 🚤 Boat Ramp
- ♿ Accessible Facilities
Camping options
- Cabin/Tipi/Yurt
- RV
- Tent
- Group
Facility hours
Open April through October
Available mid-May through mid-September
Shower House & Flush Toilets
Open mid-May through mid-September
Dock
Normally available mid-March through November, weather permitting. For status updates please visit our Facebook page or call Flathead Lake State Park Ranger Station, 406-837-3041
Schedules for pools, museums, campgrounds, tours and other facilities inside the park, as published by Montana FWP — not the park's own opening hours.
Contact
Phone406-849-5256
🎒 Gear up for Big Arm
Popular gear for what this park offers:
- Tents
- Kayaks
- Fishing rods
- Binoculars
- Hiking boots
- Water shoes
- Life jackets
- Bug spray
- Coolers
- Sleeping bags
- Camp chairs
- Camp stoves
- Lanterns
- Paddleboards
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